Ken Griffin Citadel Advisors
Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core S&P 500 ETF
IVV
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4501
CALL
Ryder
R
$10.1B
| $4.44M | ﹤0.01% |
21,700
+6,900
| +47% | +$1.4M |
|
4502
PUT
Rambus
RMBS
$10.8B
| $4.44M | ﹤0.01% |
51,600
-28,500
| -36% | -$2.84M |
|
4503
CALL
Boston Properties
BXP
$10.9B
| $4.43M | ﹤0.01% |
85,400
+10,000
| +13% | +$602K |
|
4504
PUT
VanEck Rare Earth/Strategic Metals ETF
REMX
$2.3B
| $4.43M | ﹤0.01% |
50,300
+22,800
| +83% | +$2.05M |
|
4505
iShares iBonds Dec 2032 Term Treasury ETF
IBTM
$559M
| $4.42M | ﹤0.01% |
192,879
+94,266
| +96% | +$2.18M |
|
4506
CALL
iShares Global Clean Energy ETF
ICLN
$2.09B
| $4.42M | ﹤0.01% |
241,700
+82,100
| +51% | +$1.49M |
|
|
FBRT
4507
CALL
Franklin BSP Realty Trust
FBRT
$669M
| $4.41M | ﹤0.01% |
519,900
+468,500
| +911% | +$4.46M |
|
4508
PUT
Crescent Energy
CRGY
$4.03B
| $4.41M | ﹤0.01% |
326,690
-863,640
| -73% | -$9.05M |
|
|
AAMI
4509
Acadian Asset Management
AAMI
$3.3B
| $4.41M | ﹤0.01% |
81,023
-21,448
| -21% | -$1.13M |
|
4510
PUT
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.7B
| $4.41M | ﹤0.01% |
+48,100
| New | +$4.4M |
|
4511
WPP
WPP
$5.79B
| $4.41M | ﹤0.01% |
283,401
+183,553
| +184% | +$3.45M |
|
4512
PUT
Xylem
XYL
$28B
| $4.4M | ﹤0.01% |
36,800
-6,200
| -14% | -$813K |
|
4513
State Street SPDR S&P Regional Banking ETF
KRE
$4.67B
| $4.4M | ﹤0.01% |
67,470
-2,892,943
| -98% | -$196M |
|
4514
CALL
BBVA Argentina
BBAR
$3.14B
| $4.4M | ﹤0.01% |
273,700
+129,700
| +90% | +$2.15M |
|
4515
Cars.com
CARS
$657M
| $4.39M | ﹤0.01% |
540,250
+290,379
| +116% | +$2.97M |
|
|
UMH
4516
UMH Properties
UMH
$1.4B
| $4.38M | ﹤0.01% |
303,800
+199,567
| +191% | +$3.09M |
|
4517
Arcosa
ACA
$7.13B
| $4.38M | ﹤0.01% |
41,291
-103,643
| -72% | -$11.8M |
|
|
CHYM
4518
PUT
Chime Financial
CHYM
$12.2B
| $4.38M | ﹤0.01% |
233,900
-52,000
| -18% | -$1.18M |
|
4519
Blue Bird Corp
BLBD
$2.07B
| $4.38M | ﹤0.01% |
77,130
+58,755
| +320% | +$3.17M |
|
4520
PUT
Coca-Cola Europacific Partners
CCEP
$47.3B
| $4.38M | ﹤0.01% |
48,300
+42,300
| +705% | +$4.06M |
|
|
MSTX
4521
PUT
Defiance Daily Target 2x Long MSTR ETF
MSTX
$127M
| $4.38M | ﹤0.01% |
223,960
+165,680
| +284% | +$4.97M |
|
4522
Vanda Pharmaceuticals
VNDA
$316M
| $4.38M | ﹤0.01% |
+633,354
| New | +$4.88M |
|
4523
CALL
United States Gasoline Fund
UGA
$138M
| $4.37M | ﹤0.01% |
42,300
+36,900
| +683% | +$2.83M |
|
4524
Invesco S&P 500 GARP ETF
SPGP
$2.33B
| $4.37M | ﹤0.01% |
40,617
+33,764
| +493% | +$3.84M |
|
4525
PUT
TechnipFMC
FTI
$30.7B
| $4.37M | ﹤0.01% |
63,200
+17,100
| +37% | +$1.03M |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.